Brackish Saltwater

Brackish saltwater is water with a salinity between that of freshwater and seawater, typically formed where rivers mix with the ocean, such as estuaries, lagoons, and tidal wetlands. Its shifting salinity, driven by tides, rainfall, evaporation, and freshwater flow, creates a variable environment that organisms must detect and regulate through behaviors such as movement, habitat selection, and changes in feeding or activity. Studying behavior in brackish habitats reveals how fish, invertebrates, and other aquatic organisms respond to osmotic stress and fluctuating conditions. This knowledge supports research on adaptation, habitat use, biodiversity, and the management of estuarine ecosystems.

Brackish Saltwater - Related Videos

Research

JoVE Journal - Behavior
Free Sample

Handling and Tagging Techniques for Implanting Juvenile American Shad with a New Acoustic Microtransmitter

0 Views •

Cited by 1 •

2024

This article provides a detailed procedure for optimal handling practices and implantation of an acoustic micro transmitter into juvenile American shad. The results of our laboratory study suggest that these tagging techniques could be implemented in field studies of juvenile American shad with a high probability of survival.

Research

JoVE Journal - Bioengineering

Establishing an Octopus Ecosystem for Biomedical and Bioengineering Research

0 Views •

Cited by 6 •

2021

Understanding the unique physiological and anatomical structures of octopuses can greatly impact biomedical research. This guide demonstrates how to set-up and maintain a marine environment to accommodate this species and includes state-of-the-art imaging and analytical approaches to visualize octopus' nervous system anatomy and function.

Education

JoVE Core - Biology

Osmoregulation in Fishes

0 Views •

2019

When cells are placed in a hypotonic (low-salt) fluid, they can swell and burst. Meanwhile, cells in a hypertonic solution—with a higher salt concentration—can shrivel and die. How do fish cells avoid these gruesome fates in hypotonic freshwater or hypertonic seawater environments? Fish employ osmoregulatory strategies to balance bodily levels of water and dissolved ions (i.e., solutes), such as sodium and chloride. Imagine two solutions separated by a membrane that is permeable to water.

Salinity-dependent Toxicity Assay of Silver Nanocolloids Using Medaka Eggs

0 Views •

Cited by 2 •

2016

Embryonic stages are the most susceptible to xenobiotics. Although chemical toxicity depends on salinity, no method exists to test the salinity dependence of toxicity to aquatic organisms. Here, we describe a new and high-throughput method for determining the salinity dependence of toxicity to aquatic embryos.

Long-term Lethal Toxicity Test with the Crustacean Artemia franciscana

0 Views •

Cited by 34 •

2012

This study concerns the development and standardization of a valuable methodological protocol to determine long-term (14 days) lethal toxicity exerted by chemical substances, industrial wastewater or sewage and liquid environmental samples on the saltwater crustacean, Artemia franciscana.

View All Results

FAQs

Related Topics